That suggestion is finding further support by other Apple analysts and forums, with Chinese site MyDrivers suggesting that Apple is going to give its customers even more options to fit around this new camera tech - releasing three models:

iPhone 7 - the standard 4.7-inch model with standard camera

iPhone 7 Plus - the larger 5.5-inch model with standard camera

iPhone 7 Pro - the larger 5-5-inch model with the new dual-camera technology